"Very Good. You are now in possesion of the Aperture Science Handheld Portal Device. With it, you can create your own Portals. These interdimensional gates have proven to be completely safe. The device however has not."~GLaDOS

An ink drawing of everyone's favorite inter-dimensional weapon. Don't you wish you had one?

About references... do you think GOOD artists should not use references?

I mean, I have this awesome czech friend called ~Hanci6 and she complains about her lack of skill to draw something "without a reference". I tried to cheer her up without much sucess, but honestly I myself was questioning that, too.